package com.example.springstudy.web;


import com.example.springstudy.dao.User;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.web.bind.annotation.*;

import javax.validation.Valid;
import java.util.*;

@Api(tags = "用户管理")
@RestController
@RequestMapping(value = "/users")
public class UserController {
    static Map<Long, User> users = Collections.synchronizedMap(new HashMap<Long,User>());

    //返回所有user
    @GetMapping("/")
    @ApiOperation(value = "获取用户列表")
    public List<User> getUserList(){
        List<User> r=new ArrayList<User>(users.values());
        return r;
    }

    //存放user
    @PostMapping("/")
    @ApiOperation(value = "创建用户",notes = "根据User对象创建用户")
    public String postUser(@Valid @RequestBody User user){
        users.put(user.getId(),user);
        return "success";
    }

    //根据id查询user
    @GetMapping("/{id}")
    @ApiOperation(value ="获取用户信息",notes ="根据url的id来获取用户详细信息")
    public User getUser(@PathVariable Long id){
        return users.get(id);
    }

    //根据id增加user
    @PutMapping("/{id}")
    @ApiOperation(value = "更新用户详细信息",notes = "根据url的id来指定更新对象，并根据传过来的user信息来更新用户详细信息" )
    public String putUser(@PathVariable Long id,@RequestBody User user){
        User u=users.get(id);
        u.setName(user.getName());
        u.setAge(user.getAge());
        users.put(id,u);
        return "success";
    }

    //根据id删除user
    @DeleteMapping("/{id}")
    @ApiOperation(value = "删除用户",notes = "根据url的id来指定删除对象" )
    public String deleteUser(@PathVariable Long id){
        users.remove(id);
        return "success";
    }

}
